Job boardBrooklyn Solutions

UK Based Web Application and API Developer

Work location: United Kingdom of Great Britain and Northern Ireland
Work arrangement: Remote
Salary: GBP £80,000 per annum
Skills:
React Native
Clean Code
Software Engineer
Coding: Data Structures - Stacks and Queues
Creating REST APIs

Role Overview

We are seeking a skilled React Java API Developer to join our team as a contractor. You will be instrumental in delivering robust, cloud-native applications that integrate cutting-edge AI features and provide a seamless user experience. This is an opportunity to work on mission-critical systems where performance, security, and scalability are non-negotiable.

You will work closely with cross-functional teams, including product managers, data scientists, and DevOps, and report directly to the Head of Development that resides under the remit of the Chief Technology Officer (CTO).

Key Responsibilities

  • Design, develop, and deploy RESTful APIs using Java (Spring Boot preferred) in a microservices environment.

  • Build responsive, modern front-end interfaces using React.

  • Leverage AWS API Gateway for managing scalable APIs and AWS SQS for asynchronous, event-driven messaging.

  • Collaborate in an agile team across architecture, AI, and product disciplines.

  • Contribute to architectural decisions focused on reliability, scalability, and security.

  • Participate in CI/CD pipelines and support DevOps best practices using tools such as Git, Docker, and Kubernetes.

  • Document solutions thoroughly and adhere to clean coding standards.

  • Actively engage in code reviews, mentoring, and technical problem-solving.

Required Skills & Experience

  • Minimum 5 years of professional software development experience.

  • Strong expertise in Java (Spring Boot or similar frameworks) and React.

  • Deep understanding of AWS services, particularly API Gateway and SQS.

  • Familiarity with Lambda, DynamoDB, ECS/EKS, and serverless design is advantageous.

  • Experience building scalable, secure APIs and event-driven architectures.

  • Proficient in version control (Git), CI/CD, and containerisation technologies.

  • Capable of working independently and effectively in remote teams across time zones.

  • Fluent in English; Spanish language skills are a very big plus.

Nice-to-Have

  • Experience with AI/ML integrations or machine learning model APIs.

  • Knowledge of TypeScript and React Native.

  • Prior exposure to serverless architectures

  • Familiarity with Jira, Confluence, Bitbucket, and remote collaboration tools.

  • Open-source contributions or a demonstrable personal project portfolio.

This application includes an assessment as the first step